1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.events;
24  
25  import com.liferay.portal.kernel.util.PortalClassInvoker;
26  
27  import javax.portlet.PortletRequest;
28  import javax.portlet.PortletResponse;
29  import javax.portlet.RenderRequest;
30  import javax.portlet.RenderResponse;
31  
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletResponse;
34  
35  /**
36   * <a href="Action.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   */
40  public abstract class Action {
41  
42      public abstract void run(
43              HttpServletRequest request, HttpServletResponse response)
44          throws ActionException;
45  
46      public void run(RenderRequest renderRequest, RenderResponse renderResponse)
47          throws ActionException {
48  
49          try {
50              HttpServletRequest request = _getHttpServletRequest(renderRequest);
51              HttpServletResponse response = _getHttpServletResponse(
52                  renderResponse);
53  
54              run(request, response);
55          }
56          catch (ActionException ae) {
57              throw ae;
58          }
59          catch (Exception e) {
60              throw new ActionException(e);
61          }
62      }
63  
64      private HttpServletRequest _getHttpServletRequest(
65              PortletRequest portletRequest)
66          throws Exception {
67  
68          Object returnObj = PortalClassInvoker.invoke(
69              _CLASS, _METHOD_GETHTTPSERVLETREQUEST, portletRequest, false);
70  
71          if (returnObj != null) {
72              return (HttpServletRequest)returnObj;
73          }
74          else {
75              return null;
76          }
77      }
78  
79      private HttpServletResponse _getHttpServletResponse(
80              PortletResponse portletResponse)
81          throws Exception {
82  
83          Object returnObj = PortalClassInvoker.invoke(
84              _CLASS, _METHOD_GETHTTPSERVLETRESPONSE, portletResponse, false);
85  
86          if (returnObj != null) {
87              return (HttpServletResponse)returnObj;
88          }
89          else {
90              return null;
91          }
92      }
93  
94      private static final String _CLASS = "com.liferay.portal.util.PortalUtil";
95  
96      private static final String _METHOD_GETHTTPSERVLETREQUEST =
97          "getHttpServletRequest";
98  
99      private static final String _METHOD_GETHTTPSERVLETRESPONSE =
100         "getHttpServletResponse";
101 
102 }